MCP2140A-I/SO 查看數據表（PDF） - Microchip Technology

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MCP2140A-I/SO

IrDA® Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate

Microchip Technology 

MCP2140A

FIGURE 4-7:

BITCLK

TXIR

TXIR WAVEFORMS

Start Bit

IR100A

Data bit 7 Data bit 6 Data bit 5 Data bit ...

IR122

IR122

IR122

IR122

IR122

IR122

IR121

0

1

0

0

1

0

TABLE 4-7: TXIR REQUIREMENTS

AC Specifications

Param.

No.

Sym

Characteristic

IR100A

IR121

IR122

Note 1:

TTXIRBIT Transmit Baud Rate

TTXIRPW TXIR pulse width

TTXIRP TXIR bit period (1)

TBITCLK = TTXBIT/16.

Electrical Characteristics:

Standard Operating Conditions (unless otherwise specified):

Operating Temperature: -40°C ≤ TA ≤ +85°C (industrial)

Operating Voltage VDD range is described in Section 4.1 “DC

Characteristics”

Min

Typ

Max Units

Conditions

384

—

384

TOSC BAUD = 9600

12

—

12

TOSC

—

16

—

TBITCLK

DS22050A-page 38

© 2007 Microchip Technology Inc.

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